application

double wall stainless steel flue gas system for all standard furnaces in negative pressure operation mode for dry and moist operation mode

 

combustible

oil, gas, solid fuels

 

working temperature

≤ 400 °C

 

material

inside:   1.4571 (316Ti) / 1.4404 (316L) / 1.4521
outside: 1.4301 (304)

 

wall thickness

inside:   0,5 mm
outside: 0,5 mm

 

welding seam

TIG continuous / laser

 

insulation

mineral insulation with 25 mm wall thickness, bulk density 120 kg/m³

 

connection

plug connector plug-and-socket coupler with locking band

 

admissible for pos. pressure

no

 

soot fire resistant

yes

 

free standing extension

from last wall bracket: 3 m (∅ 130- 300 mm)

2,5 m (∅ 350- 400 mm), 1,5 m (∅ 450- 500 mm)

 

 

average roughness

1,0 mm

 

thermal resistance

0,26 m² K/W

 

CE mark number

0036 CPD 9174 008

 

CE classifications DIN EN 1856 - 1

T400 - N1 - W - V2 - L50050 - O30
T400 - N1 - D - V3 - L50050 - G70

 

The "economical"

The use of less material and the simplified fabrication of the elements create the low cost alternative to our double wall system DW-fu (negative pressure).